Typo fix - implemention should be implementation (GH-16806)



diff --git a/Python/hamt.c b/Python/hamt.c
index 28b4e1e..ea659c8 100644
--- a/Python/hamt.c
+++ b/Python/hamt.c
@@ -6,7 +6,7 @@
 #include "structmember.h"
 
 /*
-This file provides an implemention of an immutable mapping using the
+This file provides an implementation of an immutable mapping using the
 Hash Array Mapped Trie (or HAMT) datastructure.
 
 This design allows to have: